public async Task<IEnumerable<CacheEntry>> GetEntriesAsync(CacheKey cacheKey)
{
if (_CacheContainers.ContainsKey(cacheKey))
{
return _CacheContainers[cacheKey].Entries;
}
return null;
}
public CacheEntry(CacheKey key, HttpResponseMessage response)
{
Key = key;
Vary = response.Headers.Vary.Select(v=> v.ToLowerInvariant()).ToList();
ResponseVaryHeaders = response.RequestMessage.Headers
.Where(h => Vary.Contains(h.Key.ToLowerInvariant()))
.ToDictionary(k => k.Key.ToLowerInvariant(), v => v.Value);
VariantId = Guid.NewGuid();
HasValidator = response.Headers.ETag != null || (response.Content != null && response.Content.Headers.LastModified != null);
CacheControl = response.Headers.CacheControl ?? new CacheControlHeaderValue();
}
private CacheEntryContainer GetOrCreateContainer(CacheKey key)
{
CacheEntryContainer cacheEntryContainer;
if (!_CacheContainers.ContainsKey(key))
{
cacheEntryContainer = new CacheEntryContainer(key);
lock (syncRoot)
{
_CacheContainers[key] = cacheEntryContainer;
}
}
else
{
cacheEntryContainer = _CacheContainers[key];
}
return cacheEntryContainer;
}
public async Task StoreResponseAsync(HttpResponseMessage response)
{
var primaryCacheKey = new CacheKey(response.RequestMessage.RequestUri, response.RequestMessage.Method);
CacheEntry selectedEntry = null;
IEnumerable<CacheEntry> cacheEntries = await _contentStore.GetEntriesAsync(primaryCacheKey).ConfigureAwait(false);
if (cacheEntries != null)
{
selectedEntry = MatchVariant(response.RequestMessage, cacheEntries);
}
if (selectedEntry != null)
{
UpdateCacheEntry(response, selectedEntry);
await _contentStore.UpdateEntryAsync(selectedEntry, response).ConfigureAwait(false);
}
else
{
selectedEntry = new CacheEntry(primaryCacheKey, response);
UpdateCacheEntry(response, selectedEntry);
await _contentStore.AddEntryAsync(selectedEntry, response).ConfigureAwait(false);
}
}
public CacheEntryContainer(CacheKey primaryCacheKey)
{
PrimaryCacheKey = primaryCacheKey;
Entries = new List<CacheEntry>();
}